At Wednesday’s Preview Night the top concerns of Comic-Con goers were cutting through the show floor throngs to get limited-run commemorative T-shirts; getting a glimpse at the imposing “Tron: Legacy” Light Cycle; and pacing oneself for an entertainment world without end. After all, previewers held passes to attend all four days of the Con.

“You’re limited to five pictures of one item,” Colt Moulton told his friend Matthew Collins, who was point-and-shooting “Toy Story 3” characters made of vibrant Lego bricks. “Or we’ll be here all night.”

Live coverage: Comic-Con runs daily through Sunday at the San Diego Convention Center. Follow our coverage live at uniontrib.com/comic-con.

In NIGHT&DAY: Fleeing the masses? Our guide to remote viewing allows you to enjoy the Con far, far away from Hall H. If downtown’s a draw, check our list of the best parties and red carpet events.